📞 0475 266 279
📧 geneleoc@gmail.com
🔗 https://linkedin.com/in/jin-liu-56525a32a
💻 https://github.com/Leo7805
📍 Sydney, NSW
💼 Australian PR | Available Immediately
Backend-focused engineer with experience building and supporting API-driven systems using ASP.NET Core and Node.js.
Skilled in troubleshooting issues, analysing API behaviour, and resolving data inconsistencies across backend and database layers.
Experienced in analysing logs and ensuring reliable system operation across API and workflow processes.
Backend & Systems: ASP.NET Core, Node.js (Express)
API & Integration: REST APIs, Postman, Swagger
Databases: PostgreSQL, SQL (querying, validation)
Troubleshooting: Incident investigation, root cause analysis
Tools: Postman, Swagger, log analysis
Automation: Python (scripting)
Frontend: React (basic)
Environment: Linux (CLI)
Supported lab systems and resolved environment/configuration issues
Analysed logs and debugged Python execution failures
Assisted users in diagnosing system and code-related issues
GitHub: https://github.com/Leo7805/DocuMind
Built backend APIs using ASP.NET Core for document processing and AI workflows
Integrated OpenAI API to extract structured data and generate summaries
Implemented JSON pipelines to ensure data consistency
Debugged and resolved API and data issues
GitHub: https://github.com/Leo7805/IMS
Live API: https://ims-fpq2.onrender.com/docs
Developed REST APIs using Node.js (Express) for order and inventory workflows
Implemented endpoints with request/response handling and validation
Used SQL to ensure data consistency
Investigated and resolved API and data issues
GitHub: https://github.com/Leo7805/RName
Built scripts for data processing with logging and error handling
Generated structured outputs for validation
Master of Information Technology (Part-time) — UNSW (Distinction Average)
PhD, Computer Science — Huazhong University of Science and Technology
Bachelor of Mechanics — Wuhan University of Technology